2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
29 #include "debug_output.h"
32 #include "extensions.h"
36 #include "spirv_extensions.h"
39 * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
41 static const GLubyte
*
42 shading_language_version(struct gl_context
*ctx
)
45 case API_OPENGL_COMPAT
:
47 switch (ctx
->Const
.GLSLVersion
) {
49 return (const GLubyte
*) "1.20";
51 return (const GLubyte
*) "1.30";
53 return (const GLubyte
*) "1.40";
55 return (const GLubyte
*) "1.50";
57 return (const GLubyte
*) "3.30";
59 return (const GLubyte
*) "4.00";
61 return (const GLubyte
*) "4.10";
63 return (const GLubyte
*) "4.20";
65 return (const GLubyte
*) "4.30";
67 return (const GLubyte
*) "4.40";
69 return (const GLubyte
*) "4.50";
71 return (const GLubyte
*) "4.60";
74 "Invalid GLSL version in shading_language_version()");
75 return (const GLubyte
*) 0;
80 switch (ctx
->Version
) {
82 return (const GLubyte
*) "OpenGL ES GLSL ES 1.0.16";
84 return (const GLubyte
*) "OpenGL ES GLSL ES 3.00";
86 return (const GLubyte
*) "OpenGL ES GLSL ES 3.10";
88 return (const GLubyte
*) "OpenGL ES GLSL ES 3.20";
91 "Invalid OpenGL ES version in shading_language_version()");
92 return (const GLubyte
*) 0;
98 _mesa_problem(ctx
, "Unexpected API value in shading_language_version()");
99 return (const GLubyte
*) 0;
105 * Query string-valued state. The return value should _not_ be freed by
108 * \param name the state variable to query.
112 * Tries to get the string from dd_function_table::GetString, otherwise returns
113 * the hardcoded strings.
115 const GLubyte
* GLAPIENTRY
116 _mesa_GetString( GLenum name
)
118 GET_CURRENT_CONTEXT(ctx
);
119 static const char *vendor
= "Brian Paul";
120 static const char *renderer
= "Mesa";
125 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, NULL
);
127 if (ctx
->Const
.VendorOverride
&& name
== GL_VENDOR
) {
128 return (const GLubyte
*) ctx
->Const
.VendorOverride
;
131 /* this is a required driver function */
132 assert(ctx
->Driver
.GetString
);
134 /* Give the driver the chance to handle this query */
135 const GLubyte
*str
= ctx
->Driver
.GetString(ctx
, name
);
142 return (const GLubyte
*) vendor
;
144 return (const GLubyte
*) renderer
;
146 return (const GLubyte
*) ctx
->VersionString
;
148 if (ctx
->API
== API_OPENGL_CORE
) {
149 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetString(GL_EXTENSIONS)");
150 return (const GLubyte
*) 0;
152 if (!ctx
->Extensions
.String
)
153 ctx
->Extensions
.String
= _mesa_make_extension_string(ctx
);
154 return (const GLubyte
*) ctx
->Extensions
.String
;
155 case GL_SHADING_LANGUAGE_VERSION
:
156 if (ctx
->API
== API_OPENGLES
)
158 return shading_language_version(ctx
);
159 case GL_PROGRAM_ERROR_STRING_ARB
:
160 if (ctx
->API
== API_OPENGL_COMPAT
&&
161 (ctx
->Extensions
.ARB_fragment_program
||
162 ctx
->Extensions
.ARB_vertex_program
)) {
163 return (const GLubyte
*) ctx
->Program
.ErrorString
;
170 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetString" );
171 return (const GLubyte
*) 0;
178 const GLubyte
* GLAPIENTRY
179 _mesa_GetStringi(GLenum name
, GLuint index
)
181 GET_CURRENT_CONTEXT(ctx
);
186 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, NULL
);
190 if (index
>= _mesa_get_extension_count(ctx
)) {
191 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetStringi(index=%u)", index
);
192 return (const GLubyte
*) 0;
194 return _mesa_get_enabled_extension(ctx
, index
);
195 case GL_SHADING_LANGUAGE_VERSION
:
199 if (!_mesa_is_desktop_gl(ctx
) || ctx
->Version
< 43) {
200 _mesa_error(ctx
, GL_INVALID_ENUM
,
201 "glGetStringi(GL_SHADING_LANGUAGE_VERSION): "
202 "supported only in GL4.3 and later");
203 return (const GLubyte
*) 0;
205 num
= _mesa_get_shading_language_version(ctx
, index
, &version
);
207 _mesa_error(ctx
, GL_INVALID_VALUE
,
208 "glGetStringi(GL_SHADING_LANGUAGE_VERSION, index=%d)",
210 return (const GLubyte
*) 0;
212 return (const GLubyte
*) version
;
214 case GL_SPIR_V_EXTENSIONS
:
215 if (!ctx
->Extensions
.ARB_spirv_extensions
) {
216 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetStringi");
217 return (const GLubyte
*) 0;
220 if (index
>= _mesa_get_spirv_extension_count(ctx
)) {
221 _mesa_error(ctx
, GL_INVALID_VALUE
, "glGetStringi(index=%u)", index
);
222 return (const GLubyte
*) 0;
224 return _mesa_get_enabled_spirv_extension(ctx
, index
);
227 _mesa_error(ctx
, GL_INVALID_ENUM
, "glGetStringi");
228 return (const GLubyte
*) 0;
234 _get_vao_pointerv(GLenum pname
, struct gl_vertex_array_object
* vao
,
235 GLvoid
**params
, const char* callerstr
)
237 GET_CURRENT_CONTEXT(ctx
);
238 const GLuint clientUnit
= ctx
->Array
.ActiveTexture
;
243 if (MESA_VERBOSE
& VERBOSE_API
)
244 _mesa_debug(ctx
, "%s %s\n", callerstr
, _mesa_enum_to_string(pname
));
247 case GL_VERTEX_ARRAY_POINTER
:
248 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
250 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_POS
].Ptr
;
252 case GL_NORMAL_ARRAY_POINTER
:
253 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
255 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_NORMAL
].Ptr
;
257 case GL_COLOR_ARRAY_POINTER
:
258 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
260 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_COLOR0
].Ptr
;
262 case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT
:
263 if (ctx
->API
!= API_OPENGL_COMPAT
)
265 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_COLOR1
].Ptr
;
267 case GL_FOG_COORDINATE_ARRAY_POINTER_EXT
:
268 if (ctx
->API
!= API_OPENGL_COMPAT
)
270 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_FOG
].Ptr
;
272 case GL_INDEX_ARRAY_POINTER
:
273 if (ctx
->API
!= API_OPENGL_COMPAT
)
275 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_COLOR_INDEX
].Ptr
;
277 case GL_TEXTURE_COORD_ARRAY_POINTER
:
278 if (ctx
->API
!= API_OPENGL_COMPAT
&& ctx
->API
!= API_OPENGLES
)
280 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_TEX(clientUnit
)].Ptr
;
282 case GL_EDGE_FLAG_ARRAY_POINTER
:
283 if (ctx
->API
!= API_OPENGL_COMPAT
)
285 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_EDGEFLAG
].Ptr
;
287 case GL_FEEDBACK_BUFFER_POINTER
:
288 if (ctx
->API
!= API_OPENGL_COMPAT
)
290 *params
= ctx
->Feedback
.Buffer
;
292 case GL_SELECTION_BUFFER_POINTER
:
293 if (ctx
->API
!= API_OPENGL_COMPAT
)
295 *params
= ctx
->Select
.Buffer
;
297 case GL_POINT_SIZE_ARRAY_POINTER_OES
:
298 if (ctx
->API
!= API_OPENGLES
)
300 *params
= (GLvoid
*) vao
->VertexAttrib
[VERT_ATTRIB_POINT_SIZE
].Ptr
;
302 case GL_DEBUG_CALLBACK_FUNCTION_ARB
:
303 case GL_DEBUG_CALLBACK_USER_PARAM_ARB
:
304 *params
= _mesa_get_debug_state_ptr(ctx
, pname
);
313 _mesa_error( ctx
, GL_INVALID_ENUM
, "%s", callerstr
);
319 * Return pointer-valued state, such as a vertex array pointer.
321 * \param pname names state to be queried
322 * \param params returns the pointer value
324 * \sa glGetPointerv().
326 * Tries to get the specified pointer via dd_function_table::GetPointerv,
327 * otherwise gets the specified pointer from the current context.
330 _mesa_GetPointerv( GLenum pname
, GLvoid
**params
)
332 GET_CURRENT_CONTEXT(ctx
);
333 const char *callerstr
;
335 if (_mesa_is_desktop_gl(ctx
))
336 callerstr
= "glGetPointerv";
338 callerstr
= "glGetPointervKHR";
343 _get_vao_pointerv(pname
, ctx
->Array
.VAO
, params
, callerstr
);
348 _mesa_GetPointerIndexedvEXT( GLenum pname
, GLuint index
, GLvoid
**params
)
350 GET_CURRENT_CONTEXT(ctx
);
355 if (MESA_VERBOSE
& VERBOSE_API
)
356 _mesa_debug(ctx
, "%s %s\n", "glGetPointerIndexedvEXT", _mesa_enum_to_string(pname
));
359 case GL_TEXTURE_COORD_ARRAY_POINTER
:
360 *params
= (GLvoid
*) ctx
->Array
.VAO
->VertexAttrib
[VERT_ATTRIB_TEX(index
)].Ptr
;
369 _mesa_error( ctx
, GL_INVALID_ENUM
, "glGetPointerIndexedvEXT");
374 * Returns the current GL error code, or GL_NO_ERROR.
375 * \return current error code
377 * Returns __struct gl_contextRec::ErrorValue.
380 _mesa_GetError( void )
382 GET_CURRENT_CONTEXT(ctx
);
383 GLenum e
= ctx
->ErrorValue
;
384 ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx
, 0);
386 /* From Issue (3) of the KHR_no_error spec:
388 * "Should glGetError() always return NO_ERROR or have undefined
391 * RESOLVED: It should for all errors except OUT_OF_MEMORY."
393 if (_mesa_is_no_error_enabled(ctx
) && e
!= GL_OUT_OF_MEMORY
) {
397 if (MESA_VERBOSE
& VERBOSE_API
)
398 _mesa_debug(ctx
, "glGetError <-- %s\n", _mesa_enum_to_string(e
));
400 ctx
->ErrorValue
= (GLenum
) GL_NO_ERROR
;
401 ctx
->ErrorDebugCount
= 0;